Results 131 to 140 of about 1,095 (181)
On the formulation of the planar ANCF triangular finite elements
Nonlinear Dynamics, 2017 This article is concerned with the performance of two new ANCF triangular elements, namely the four-node mixed-coordinate (FNMC) and three-node (TN) elements. Both elements are based on a cubic polynomial interpolation obtained from a cubic Bezier triangular patch using a linear mapping.
Ahmed A Shabana +2 more
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Development of ANCF tetrahedral finite elements for the nonlinear dynamics of flexible structures [PDF]
Nonlinear Dynamics, 2017 In this paper, methods for developing isoparametric tetrahedral finite elements (FE) based on the absolute nodal coordinate formulation (ANCF) are presented.
Ahmed A Shabana +2 more
exaly +9 more sources
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Computational Mechanics, 2023
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Cassidy Westin, Rishad A. Irani
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zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Cassidy Westin, Rishad A. Irani
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Numerical integration algorithms and constraint formulations for an ALE-ANCF cable element
Mechanism and Machine Theory, 2022 Gaute Fotland, Bjørn Haugen
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ANCF Analysis of Textile Systems
Journal of Computational and Nonlinear Dynamics, 2015This paper presents a new flexible multibody system (MBS) approach for modeling textile systems including roll-drafting sets used in chemical textile machinery. The proposed approach can be used in the analysis of textile materials such as lubricated polyester filament bundles (PFBs), which have uncommon material properties best described by ...
Liang Wang +3 more
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ANCF Multiplicative-Decomposition Thermoelastic Approach for Arbitrary Geometry
Journal of Structural Engineering, 2021AbstractThe classical approach for the thermal analysis of solids and fluids uses the strain additive decomposition to account for the effect of the temperature.
Ahmed A. Shabana, Dayu Zhang
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ANCF curvature continuity: application to soft and fluid materials
Nonlinear Dynamics, 2020The continuity of the position-vector gradients at the nodal points of a finite element mesh does not always ensure the continuity of the gradients at the element interfaces. Discontinuity of the gradients at the interface not only adversely affects the quality of the simulation results, but can also lead to computer models that do not properly ...
Ahmed A. Shabana, Dayu Zhang
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Definition of ANCF Finite Elements
Journal of Computational and Nonlinear Dynamics, 2015Since the absolute nodal coordinate formulation (ANCF) was introduced, a large number of fully parametrized and gradient deficient finite elements were developed. Some of the finite elements (FE) proposed do not fall into the ANCF category, and for this reason, this technical brief describes the general requirements for ANCF finite elements.
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ANCF Modeling of the Contact Geometry and Deformation in Biomechanics Applications
Volume 2: 32nd Computers and Information in Engineering Conference, Parts A and B, 2012The purpose of this investigation is to demonstrate the use of the finite element (FE) absolute nodal coordinate formulation (ANCF) and multibody system (MBS) algorithms in modeling both the contact geometry and ligaments deformations in biomechanics applications. Two ANCF approaches can be used to model the rigid contact surface geometry. In the first
F. Marina Gantoi +2 more
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Integration of B-spline geometry and ANCF finite element analysis
Nonlinear Dynamics, 2009zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Ahmed A Shabana, Peng Lan
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